feat: first prototype, "works on my machine" edition

main.py

@@ -0,0 +1,46 @@
+import datetime
+import logging
+import MySQLdb as m
+import dns.resolver
+
+def read_config():
+    return (['example.com'],'localhost',3306,'test','testpass','pdns','wile')
+
+
+def main():
+    (zones, host, port, username, password, database, myname) = read_config()
+    db = m.connect(host, username, password, database)
+    for zone in zones:
+        logging.debug(f"checking zone {zone}")
+        # try to resolve dnskey.{zone} on all nameservers
+        # dammit, my testserver is running on a weird port
+        r = dns.resolver.Resolver()
+        nsarr = ['127.0.0.1:10053']
+        expected = None
+        for ns in nsarr:
+            # r.nameservers = [ns]
+            answer = r.resolve(qname=zone, rdtype='DNSKEY', tcp=False, search=ns)
+            print(f"{answer=}")
+            if not expected:
+                expected = answer.rrset.to_text()
+                print(f"set {expected=}")
+            else:
+                if answer.rrset.to_text() != expected:
+                    print(f"{answer.rrset.to_text()=} differs from {expected=}")
+                    # I'm very confident this is more complicated than it needs to be...
+                    db.query(f"""SELECT id,content FROM records WHERE type='SOA' AND name='{zone}'""")
+                    result = db.store_result()
+                    row = result.fetch_row()
+                    (id,content) = row[0]
+                    carr = content.split()
+                    newdatestr = datetime.datetime.today().strftime("%Y%m%d01")
+                    if newdatestr[:8] == carr[2][:8]:
+                        count = int(carr[2][8:])
+                        newcount = count + 1
+                        newdatestr = f"{newdatestr[:8]}{newcount:02d}"
+                    carr[2] = newdatestr
+                    db.query(f"""UPDATE records SET content = '{' '.join(carr)}' WHERE id={id}""")
+                    db.commit()
+
+if __name__ == "__main__":
+    main()